User's Manual

PIN Pad 791 Programmer’s Manual (PCI POS-A) UDN PM0103-U Rev. 06
Section 7 – Contactless EMV Level 2 transaction messages 2015-04-20
Page134
Uniform Industrial Corp. Proprietary and Confidential Total 342 pages
Message T5B Delete PCD Configuration Data Message.
Format: <STX>T5B[Config Type]<SUB>[ID List]<ETX>[LRC]
Message length: Variable.
Usage: Host can use this command to delete PCD application configuration data or CA
public key in PIN pad, this command can be sent many times.
Message element:
Field Length
Value and description
<STX> 1 <02>
T5B 3 Message ID
Config Type
1 1: CA public key.
2: EMV application data.
<SUB> 1 <1A>
ID List Var List of ID that will be erased.
<ETX> 1 <03>
[LRC] 1 Checksum
[ID List]: The concatenation of IDs. There is a <FS> between each ID.
Ex. [ID List] = A00000000390<FS> A000000004F8<FS> A000000004F5 ( Config Type = 1 )
[ID List] = A0000000041010<FS>B0123456781234<FS> A000000010 ( Config Type = 2 )
Message flow:
HOST Direction PIN pad
Message T5B
<ACK> (Good LRC)
<NAK> (Bad LRC)
<EOT> (after 3 NAKs)
Message T5C
<ACK> (Good LRC)
<NAK> (Bad LRC)
<EOT> (after 3 NAKs)